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Cheap flights from Denver to Seoul from $371

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Seoul departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Multiple Airlines Logo
10:55 pm - 4:10 pmDEN-ICN
26h 15m1 stop
Multiple Airlines Logo
8:35 pm - 10:18 amICN-DEN
29h 43m2 stops
$843Multiple Airlines
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Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
10:55 pm - 4:20 pmDEN-ICN
26h 25m1 stop
Multiple Airlines Logo
9:20 pm - 3:58 amICN-DEN
46h 38m2 stops
$848Multiple Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 18
Multiple Airlines Logo
10:55 pm - 4:20 pmDEN-ICN
25h 25m1 stop
Multiple Airlines Logo
9:20 pm - 10:14 amICN-DEN
52h 54m2 stops
$861Multiple Airlines
Find Deal
Tue, Nov 11 - Thu, Nov 20
Turkish Airlines Logo
8:20 pm - 6:20 pmDEN-ICN
31h 00m1 stop
Turkish Airlines Logo
12:10 am - 6:35 pmICN-DEN
33h 25m1 stop
$903Turkish Airlines
Find Deal
Sat, Mar 14 - Thu, Mar 19
China Eastern Logo
6:15 am - 1:30 pmDEN-ICN
39h 15m2 stops
China Eastern Logo
4:20 pm - 6:33 pmICN-DEN
42h 13m2 stops
$918China Eastern
Find Deal
Mon, Nov 3 - Tue, Nov 11
Turkish Airlines Logo
8:20 pm - 6:20 pmDEN-ICN
31h 00m1 stop
Turkish Airlines Logo
10:45 am - 6:35 pmICN-DEN
46h 50m1 stop
$922Turkish Airlines
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Fri, Mar 13 - Fri, Mar 20
China Eastern Logo
6:15 am - 5:25 pmDEN-ICN
44h 10m2 stops
China Eastern Logo
4:10 pm - 6:33 pmICN-DEN
42h 23m2 stops
$957China Eastern
Find Deal
Sun, Oct 26 - Tue, Nov 11
Turkish Airlines Logo
7:20 pm - 6:20 pmDEN-ICN
31h 00m1 stop
Turkish Airlines Logo
12:10 am - 5:35 pmICN-DEN
33h 25m1 stop
$959Turkish Airlines
Find Deal
Sat, Jan 3 - Fri, Jan 30
Turkish Airlines Logo
7:20 pm - 6:20 pmDEN-ICN
31h 00m1 stop
Turkish Airlines Logo
12:10 am - 5:35 pmICN-DEN
33h 25m1 stop
$968Turkish Airlines
Find Deal
Sat, Feb 21 - Fri, Feb 27
China Eastern Logo
6:25 am - 3:05 pmDEN-ICN
40h 40m2 stops
China Eastern Logo
8:55 am - 6:31 pmICN-DEN
25h 36m2 stops
$1,005China Eastern
Find Deal
Mon, Nov 24 - Fri, Dec 12

China Eastern flights from Denver to Incheon Intl Airport

Our best China Eastern deals on Denver to Incheon Intl Airport flight tickets
China Eastern
Sep 23
DEN6:30 amDenver Intl
41h 20m
2 stops
ICN2:50 pmIncheon Intl
Oct 14
ICN4:20 pmIncheon Intl
41h 04m
2 stops
DEN6:24 pmDenver Intl
$918
Find similar
China Eastern
Oct 26
DEN6:15 amDenver Intl
44h 10m
2 stops
ICN5:25 pmIncheon Intl
Nov 11
ICN4:10 pmIncheon Intl
42h 23m
2 stops
DEN6:33 pmDenver Intl
$957
Find similar
China Eastern
Nov 24
DEN6:25 amDenver Intl
40h 40m
2 stops
ICN3:05 pmIncheon Intl
Dec 12
ICN8:55 amIncheon Intl
25h 36m
2 stops
DEN6:31 pmDenver Intl
$1,005
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Air Canada flights from Denver to Incheon Intl Airport

Our best Air Canada deals on Denver to Incheon Intl Airport flight tickets
Air Canada
Oct 1
DEN7:52 amDenver Intl
17h 13m
1 stop
ICN4:05 pmIncheon Intl
Oct 15
ICN5:45 pmIncheon Intl
29h 57m
2 stops
DEN8:42 amDenver Intl
$1,227
Find similar
Air Canada
Oct 1
DEN7:52 amDenver Intl
17h 13m
1 stop
ICN4:05 pmIncheon Intl
Oct 15
ICN5:45 pmIncheon Intl
29h 57m
2 stops
DEN8:42 amDenver Intl
$1,230
Find similar
Air Canada
Sep 30
DEN7:05 pmDenver Intl
30h 00m
1 stop
ICN4:05 pmIncheon Intl
Oct 3
ICN5:45 pmIncheon Intl
29h 57m
2 stops
DEN8:42 amDenver Intl
$1,239
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momondo Fare Finder

 
Customize your flight search to find flights from Denver to Incheon Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Denver to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Thu 10/30

10:55 pm-4:10 pm

1 stop26h 15m

Incheon Intl

Thu 11/6

8:35 pm-10:18 am

2 stops29h 43m

$843

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 10/28

10:55 pm-4:20 pm

1 stop26h 25m

Incheon Intl

Tue 11/18

9:20 pm-3:58 am

2 stops46h 38m

$848

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Tue 11/11

10:55 pm-4:20 pm

1 stop25h 25m

Incheon Intl

Thu 11/20

9:20 pm-10:14 am

2 stops52h 54m

$861

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 3/14

8:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Thu 3/19

12:10 am-6:35 pm

1 stop33h 25m

$903

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Mon 11/3

6:15 am-1:30 pm

2 stops39h 15m

Incheon Intl

Tue 11/11

4:20 pm-6:33 pm

2 stops42h 13m

$918

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Fri 3/13

8:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Fri 3/20

10:45 am-6:35 pm

1 stop46h 50m

$922

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sun 10/26

6:15 am-5:25 pm

2 stops44h 10m

Incheon Intl

Tue 11/11

4:10 pm-6:33 pm

2 stops42h 23m

$957

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 1/3

7:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Fri 1/30

12:10 am-5:35 pm

1 stop33h 25m

$959

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Sat 2/21

7:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Fri 2/27

12:10 am-5:35 pm

1 stop33h 25m

$968

DenverIncheon

DEN - ICN

DENICN

Denver Intl

Mon 11/24

6:25 am-3:05 pm

2 stops40h 40m

Incheon Intl

Fri 12/12

8:55 am-6:31 pm

2 stops25h 36m

$1,005

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Denver to Incheon Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Denver is in February. Flight prices, which tend to average around $975, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of February, then departing from Denver during the month October is also very affordable. Most momondo users find prices during this month for around $1,032.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Denver to Incheon Intl Airport is on a Wednesday when prices can be found for as low as $1,361. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,676. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

In the afternoon is the cheapest time of day to fly from Denver to Incheon Intl Airport when you can find flight prices for as low as $1,045. Flying to Incheon Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,401 on average. Flights to Incheon Intl Airport from Denver in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Incheon Intl Airport?

You are more likely to see cheaper flights to Incheon Intl Airport from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,263 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Denver for as low as $996 on momondo.

Can stopping save me money on Denver to Incheon Intl Airport flights?

You could potentially save up to 8% on your flight if you consider stops on a Denver to Incheon Intl Airport flight.

How have Denver to Incheon Intl Airport flight prices changed over time?

As of September 2025, prices for Denver to Incheon Intl Airport flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Denver to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Incheon Intl Airport (DEN to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Incheon Intl Airport

Direct flights

None
There are no direct flights from Denver to Incheon Intl Airport. There are no popular flight routes from Denver to Incheon Intl Airport.
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  • How far is Denver Intl to Incheon Intl by plane?

    The distance between Denver Intl and Incheon Intl is about 6181.8 mi. By plane, this route typically takes 20h 05m.

  • When did momondo last update prices for flights from Denver Intl Airport to Incheon Intl Airport?

    Prices for flights from Denver Intl Airport to Incheon Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Denver Intl Airport to Incheon Intl Airport?

  • How old do you have to be to fly from Denver Intl Airport to Incheon Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The required travel and health documents for your Incheon Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Incheon Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Denver to Incheon Intl Airport?

Best airlines flying from Denver to Incheon Intl Airport

Compare and see reviews for airlines that fly from Denver to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $54Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
AIR PREMIAPriceFrom $585Free CancellationRating
8.2
62 reviews
Search AIR PREMIA flights
DeltaPriceFrom $587Free CancellationRating
7.9
7,961 reviews
Search Delta flights
WestJetPriceFrom $748Free CancellationRating
7.2
3,095 reviews
Search WestJet flights
Turkish AirlinesPriceFrom $755Free CancellationRating
7.3
3,965 reviews
Search Turkish Airlines flights
Asiana AirlinesPriceFrom $757Free CancellationRating
8.2
481 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $843Free CancellationRating
8.4
1,140 reviews
Search Korean Air flights
Air CanadaPriceFrom $855Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom $877Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Suwon
Daejeon
Seongnam
Anyang

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Seoul?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Seoul for you.

Can I find flights from Denver to Seoul with flexible booking policies on momondo?

All flight searches from Denver to Seoul on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Denver to Seoul?

Once all potential Denver to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Denver to Seoul right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Denver to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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